Peaty's X Chris King MK2 Tubeless Valves Presta - Durable Tool Caps

In this review the Peaty's X Chris King MK2 Tubeless Valves are evaluated for riders who want durable, serviceable tubeless valves with a splash of color and built-in tools. The single biggest reason to buy is the integrated functionality: each valve cap doubles as a valve core remover and a spoke key, which removes a common on-trail friction and keeps sealant jobs and spoke adjustments simple. The review looks at build, compatibility with inserts, and real-world usefulness rather than marketing claims.

Key Features

• Integrated tool caps: The valve caps include a valve core remover and a spoke key for standard 3.4mm nipples, making on-bike maintenance fast and self-contained.
• X-cut base for insert compatibility: Channels in the valve base allow air and sealant to pass when a tyre insert is pressed against them, so these work with many insert systems.
• Workshop- and trail-friendly fit: Large soft rubber bases and integrated O-rings create an airtight seal and protect rims from lock ring scratches during fitting.
• 7075 aluminium construction: Premium lightweight, high-strength material keeps weight low while remaining robust for MTB, road and cyclocross use.
• Two length options: Available in 42mm and 60mm to suit a wide range of rim depths and tyre setups.
• Valves for life guarantee: Backed by a longevity promise and distinct colours developed with Chris King for long-term use and aesthetic appeal.

Who It's For

These valves suit riders who run tubeless setups across mountain, gravel and road bikes and want a neat, multi-function solution for small repairs and sealant top-ups. The integrated spoke key is particularly useful for riders who value carrying fewer separate tools for trailside spoke tensioning and quick sealant refreshes.

Riders who do not use tubeless or who require unconventional nipple sizes or valve standards should look elsewhere; these are Presta valves designed for standard spoke nipples and tubeless systems rather than inner-tube or Schrader use.

Pros & Cons

Pros

• High-quality 7075 aluminium construction offers strength without excess weight.
• Integrated valve core remover and spoke key reduce the need to carry extra tools.
• X-cut base and channels make the valves compatible with tyre inserts and allow sealant flow.
• Soft rubber base and O-rings protect rims and create a reliable seal during fitting.

Cons

• Only offered for Presta systems and standard 3.4mm nipples, so not universal for all wheel builds.
• Colour options are an aesthetic choice but do not affect mechanical difference; buyers should pick a finish they like.

Specifications

Brand	Peaty's (X Chris King collaboration)
Material	7075 aluminium
Valve type	Presta tubeless
Included tools	Integrated valve core remover and 3.4mm spoke key cap
Base design	X-cut base with channels for insert compatibility
Lengths available	42mm and 60mm
Finish	Black with accent colour options from Chris King

Our Verdict

Peaty's X Chris King MK2 Tubeless Valves are a smart upgrade for riders who run tubeless tyres and want reliable, serviceable valves that reduce on-trail faff. The integrated spoke key and valve core remover paired with a seal-friendly base and high-strength 7075 aluminium construction make them good value for riders who value durability and convenience without adding unnecessary weight.

Frequently Asked Questions

Are these valves compatible with tyre inserts?
Yes, the X-cut base has channels that allow air and sealant to pass when inserts are pressed against the valve, making them compatible with many insert systems.

Do the caps actually remove valve cores and tighten spokes?
Yes, the cap design includes a valve core remover and a spoke key sized for standard 3.4mm nipples, so both tasks are possible without extra tools.

Which lengths should I choose?
Choose 42mm for shallow rims and 60mm for deeper rims; both lengths are offered to match common tubeless setups.